Public engineering firm directory

Find engineering consulting firms by capability and location.

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3 Phase Associates LLC

Chattanooga, TN

Electrical Engineering and Consulting Services

Website1 office2 credentialsFounded 2016Size Estimate: 10-49 employeesUpdated Jun 2026

Service detail: Electrical Engineering

Service: Electrical EngineeringService: Power System CalculationsService: Arc Flash AnalysisIndustry: UtilitiesIndustry: Power Transmission & DistributionType: Electrical Engineering+31 more

3Vi, Inc.

San Ramon, CA

Engineering Excellence for a Sustainable Future

WebsitePhone3 offices1 leadersUpdated Jun 2026

Service detail: Systems Engineering & Integration

Service: Systems Engineering & IntegrationService: SCADA and Control SystemsService: Communications SystemsIndustry: TransitIndustry: RailType: Electrical Engineering+18 more

AM Power Solutions & Services LLC

Liberty Lake, WA

AM Power Solutions & Services LLC is an engineering and consulting practice specializing in tailored power and automation solutions. It serves power generation, utility, and industrial clients with a team of field-experienced engineers. In addition to traditional utility networks, the practice possesses specialized experience in isolated power systems and microgrid applications.

WebsitePhone1 office1 leadersUpdated Jun 2026

Service detail: Substation and Plant Installations

Service: Substation and Plant InstallationsService: Plant InstallationsService: Substation InstallationsIndustry: Power GenerationIndustry: UtilitiesType: Automation & Controls+28 more

AMG, Inc.

Dayton, OH

Industrial Facility Engineering

WebsitePhone1 office12 projects1 leaders2 credentials2 publications

Project: Calcium Carbonate Production Plant

Service: Process EngineeringService: PFD and P&ID DevelopmentService: Material and Energy Balance SimulationIndustry: ChemicalsIndustry: Food & BeverageType: Automation & Controls+73 more

ARM EnerTech Associates, LLC

Johnstown, PA

Precise. Responsive. Solutions.

WebsitePhone4 offices4 projects7 credentialsFounded 1976Updated Jun 2026

Project: Fresh Water Withdrawal Station

Service: Automation & Control ServicesService: Supervisory Control & Data Acquisition (SCADA)Service: Industrial Process ControlIndustry: ManufacturingIndustry: UtilitiesType: Automation & Controls+31 more

Allgeier, Martin and Associates, Inc.

Joplin, MO

It's not just business...it's personal.

WebsitePhone6 offices17 projects20 leaders39 credentialsFounded 1954

Project: Route 66 Bridge

Service: Civil EngineeringService: BridgesService: IntersectionsIndustry: GovernmentIndustry: WastewaterType: Civil Engineering+33 more

Amped I LLC

Chicago, IL

We engineer & design systems for the reliability of the power grid.

Website1 office4 projects2 leadersFounded 2010Updated Jun 2026

Project: Solar & Wind Interconnects

Service: Protection & ControlService: Relay ProtectionService: Relay CommunicationsIndustry: Power Transmission & DistributionIndustry: Electric UtilitiesType: Power & Utility Engineering+34 more

Ampirical

Partnering with you to deliver innovative, reliable energy solutions that enhance lives and strengthen the grid.

Website3 projects1 credentialsSize Estimate: 250-500 employeesUpdated Jun 2026

Project: 230kV Transmission Line EPC

Service: Substation EngineeringService: Full physical, civil, structural, and P&C designService: Grounding, shielding, and lightning protectionIndustry: Electric UtilitiesIndustry: Power GenerationType: Automation & Controls+58 more

Anchorpoint Engineering Inc

College Station, TX

Power Delivery Engineering built for real-world execution

Website4 officesUpdated Jun 2026

Service detail: Transmission Engineering

Service: Transmission EngineeringService: Line Design and ModelingService: PLS-CADD Modeling and AnalysisIndustry: Power Transmission & DistributionIndustry: Electric UtilitiesType: Power & Utility Engineering+39 more

Applied Engineering Services

Indianapolis, IN

Applied Experience. Applied Engineering.

WebsitePhone1 office7 projects6 leaders9 credentialsFounded 1998

Project: Innovation Hall - IUPUI

Service: Mechanical EngineeringService: HVAC & VentilationService: Central Utility Plants & PipingIndustry: ManufacturingIndustry: EducationType: MEP+21 more

Asplundh Engineering Services, LLC

Horsham, PA

The name you trust for power generation, transmission and distribution infrastructure engineering services

Website1 office4 projectsUpdated Jun 2026

Project: Eversource Utilities Distribution Services

Service: Distribution EngineeringService: Greenfield Distribution DesignService: System Investigation and NESC ComplianceIndustry: Electric UtilitiesIndustry: Power Transmission & DistributionType: Power & Utility Engineering+30 more

Bowman, Foster & Associates

Norfolk, VA

Mechanical, Electrical, and Plumbing Professional Engineers

WebsitePhone1 office9 projects9 leadersFounded 1961Size Estimate: 1-25 employees

Project: Women's Mental Health Services and Primary Care Clinic, VA Medical Center

Service: Mechanical EngineeringService: HVAC design for system replacements and upgradesService: Central plant design (boiler, chilled water, condenser water)Industry: FederalIndustry: GovernmentType: MEP+59 more

CDM Smith

Boston, MA

CDM Smith is an engineering, construction, and environmental consulting firm headquartered in Boston, Massachusetts, with over 7,000 colleagues and 120+ offices worldwide. With 79 years of impact (founded circa 1947 as Camp, Dresser & McKee), it delivers engineering, construction, and environmental services spanning water and wastewater infrastructure, environmental remediation, transportation, energy, and federal and commercial facilities. CDM Smith's practices include drinking water, conveyance, wastewater, stormwater, environmental emerging contaminants, geotechnical and tunnels, MEP and fire protection, architecture, automation, transportation, energy, and climate resilience. It operates Trinnex, a wholly-owned software subsidiary offering the dataCAST SaaS platform and advanced analytics for environmental and infrastructure data management.

Website1 office6 projectsFounded 1947Size Estimate: 7,000 employeesUpdated Jun 2026

Project: PFAS Data to Decisions - U.S. Air Force (Dover AFB)

Service: Water and Wastewater EngineeringService: Drinking WaterService: ConveyanceIndustry: Water SupplyIndustry: WastewaterType: Civil Engineering+30 more

CHA Consulting, Inc.

Albany, NY

Creating solutions. Helping people. Improving our world.

Website2 offices4 projects10 leaders5 credentialsFounded 1952Size Estimate: 2,100+ employees

Project: I-91 Interchange 29 Flyover Bridge and Charter Oak Bridge

Service: Transportation SolutionsService: Bridge design, analysis, and reconstructionService: Highway and roadway designIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+96 more

CHA Consulting, Inc.

Albany, NY

Finding a better way.

Website1 office10 leaders3 credentialsFounded 1952Size Estimate: 2,100 employeesUpdated Jun 2026

Service detail: Transportation Solutions

Service: Transportation SolutionsService: Accelerated Bridge Construction (ABC) Design & ConsultingService: Bridge Design & AnalysisIndustry: TransportationIndustry: Highways & RoadsType: Architecture & Engineering+182 more

CLP Engineering

Denver, CO

Planning and design with O&M in mind

WebsitePhone1 office8 projects11 leaders1 credentialsUpdated Jun 2026

Project: APG Electrical Distribution System Infrastructure Upgrade

Service: MicrogridsService: Microgrid Systems IntegrationService: Planning and Energy AnalysisIndustry: Electric UtilitiesIndustry: Power Transmission & DistributionType: Power & Utility Engineering+38 more

CYTRIC LLC

Columbia, MD

Operation Technology Engineering and Management

WebsitePhone1 officeUpdated Jun 2026

Service detail: Commissioning, Controls & Energy

Service: Commissioning, Controls & EnergyService: Building CommissioningService: Building Automation SystemsIndustry: Electric UtilitiesIndustry: GovernmentType: MEP+26 more

Casne Engineering, Inc.

Bellevue, WA

Supporting America's Infrastructure

Website1 office3 projects1 publicationsFounded 1981Size Estimate: 100-200 employeesUpdated Jun 2026

Project: Natural Gas Turbine Fleet Monitoring

Service: Electrical EngineeringService: Medium and low voltage equipment and distribution systemsService: Primary and secondary unit substationsIndustry: AerospaceIndustry: Data CentersType: Automation & Controls+50 more

Cavalry Engineering, PC

Hauppauge, NY

Cavalry Engineering, PC provides civil engineering, electrical engineering, construction management, water resources engineering, and renewable energy support for public and private industrial, municipal, and commercial projects. Established in 2019, it draws on disciplined project management and technical expertise to deliver detailed drawings and engineering services.

WebsitePhone1 office2 leaders5 credentialsFounded 2019Updated Jun 2026

Service detail: Site and Civil Engineering

Service: Site and Civil EngineeringService: Civil Site Planning & Land DevelopmentService: Project Feasibility Study and Schematic DesignIndustry: CommercialIndustry: IndustrialType: Civil Engineering+56 more

Custom Engineering Solutions

Alpharetta, GA

An electrical, civil, and structural engineering corporation offering comprehensive utility and power services.

WebsitePhone2 offices3 leaders6 credentialsUpdated Jun 2026

Service detail: Substation Design and Relaying

Service: Substation Design and RelayingService: Physical Substation LayoutService: Protection and Control Panel DesignIndustry: Electric UtilitiesIndustry: Power Transmission & DistributionType: Civil Engineering+39 more

DGR Engineering

Rock Rapids, IA

Building the foundation for every day

WebsitePhone6 offices7 leadersUpdated Jun 2026

Service detail: Aviation

Service: AviationService: Civil EngineeringService: Bidding DocumentsIndustry: AviationIndustry: AirportsType: Aviation Engineering+23 more

DST Engineers

Powering a Reliable, Renewable Future

WebsiteUpdated Jun 2026

Service detail: Distribution Engineering

Service: Distribution EngineeringService: Distribution System Planning, Design and Engineering (OH/UG to 35 kV)Service: Load Forecasting and Growth ModelingIndustry: Electric UtilitiesIndustry: Automation & ControlsType: Power & Utility Engineering+34 more

DigitaLogic Inc.

Baltimore, MD

Strategic Enterprise to Field System

WebsitePhone1 office3 publicationsFounded 1998Updated Jun 2026

Service detail: SCADA, Automation, and Control Systems Engineering

Service: SCADA, Automation, and Control Systems EngineeringService: SCADA SystemsService: Industrial AutomationIndustry: Electric UtilitiesIndustry: Automation & ControlsType: Automation & Controls+24 more

E.C. Fennell, Inc.

West Palm Beach, FL

Electrical and mechanical engineering solutions for energy, utility, and infrastructure projects

WebsitePhone3 offices10 leadersSize Estimate: 100-199 employeesUpdated Jun 2026

Service detail: Power Delivery Engineering

Service: Power Delivery EngineeringService: Transmission LinesService: Distribution SystemsIndustry: Electric UtilitiesIndustry: Power Transmission & DistributionType: Electrical Engineering+27 more